RF24Network
RF24Network.cpp@4:75c5aa56411f, 2016-04-21 (annotated)
- Committer:
- akashvibhute
- Date:
- Thu Apr 21 03:43:13 2016 +0000
- Revision:
- 4:75c5aa56411f
- Parent:
- 3:dfc8da7ac18c
- Child:
- 5:b1110d26a900
Library re-ported with all the latest and greatest stuff from Manicbug; Synced with TMRh20's RF24 library on Apr/18/2015 from https://github.com/TMRh20
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
akashvibhute | 0:c3db0798d9aa | 1 | /* |
akashvibhute | 0:c3db0798d9aa | 2 | Copyright (C) 2011 James Coliz, Jr. <maniacbug@ymail.com> |
akashvibhute | 0:c3db0798d9aa | 3 | |
akashvibhute | 0:c3db0798d9aa | 4 | This program is free software; you can redistribute it and/or |
akashvibhute | 0:c3db0798d9aa | 5 | modify it under the terms of the GNU General Public License |
akashvibhute | 0:c3db0798d9aa | 6 | version 2 as published by the Free Software Foundation. |
akashvibhute | 0:c3db0798d9aa | 7 | */ |
akashvibhute | 4:75c5aa56411f | 8 | |
akashvibhute | 3:dfc8da7ac18c | 9 | /* |
akashvibhute | 4:75c5aa56411f | 10 | * Mbed support added by Akash Vibhute <akash.roboticist@gmail.com> |
akashvibhute | 4:75c5aa56411f | 11 | * Porting completed on Nov/05/2015 |
akashvibhute | 4:75c5aa56411f | 12 | * |
akashvibhute | 4:75c5aa56411f | 13 | * Updated 1: Synced with TMRh20's RF24 library on Nov/04/2015 from https://github.com/TMRh20 |
akashvibhute | 4:75c5aa56411f | 14 | * Updated 2: Synced with TMRh20's RF24 library on Apr/18/2015 from https://github.com/TMRh20 |
akashvibhute | 4:75c5aa56411f | 15 | * |
akashvibhute | 4:75c5aa56411f | 16 | */ |
akashvibhute | 4:75c5aa56411f | 17 | |
akashvibhute | 4:75c5aa56411f | 18 | #include "RF24Network_config.h" |
akashvibhute | 4:75c5aa56411f | 19 | #include "RF24.h" |
akashvibhute | 4:75c5aa56411f | 20 | #include "RF24Network.h" |
akashvibhute | 2:a5f8e04bd02b | 21 | |
akashvibhute | 4:75c5aa56411f | 22 | #if defined (ENABLE_SLEEP_MODE) |
akashvibhute | 4:75c5aa56411f | 23 | volatile byte sleep_cycles_remaining; |
akashvibhute | 4:75c5aa56411f | 24 | volatile bool wasInterrupted; |
akashvibhute | 4:75c5aa56411f | 25 | #endif |
akashvibhute | 0:c3db0798d9aa | 26 | |
akashvibhute | 2:a5f8e04bd02b | 27 | uint16_t RF24NetworkHeader::next_id = 1; |
akashvibhute | 2:a5f8e04bd02b | 28 | #if defined ENABLE_NETWORK_STATS |
akashvibhute | 2:a5f8e04bd02b | 29 | uint32_t RF24Network::nFails = 0; |
akashvibhute | 2:a5f8e04bd02b | 30 | uint32_t RF24Network::nOK = 0; |
akashvibhute | 2:a5f8e04bd02b | 31 | #endif |
akashvibhute | 0:c3db0798d9aa | 32 | uint64_t pipe_address( uint16_t node, uint8_t pipe ); |
akashvibhute | 2:a5f8e04bd02b | 33 | #if defined (RF24NetworkMulticast) |
akashvibhute | 2:a5f8e04bd02b | 34 | uint16_t levelToAddress( uint8_t level ); |
akashvibhute | 2:a5f8e04bd02b | 35 | #endif |
akashvibhute | 0:c3db0798d9aa | 36 | bool is_valid_address( uint16_t node ); |
akashvibhute | 0:c3db0798d9aa | 37 | |
akashvibhute | 0:c3db0798d9aa | 38 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 39 | #if !defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 40 | RF24Network::RF24Network( RF24& _radio ): radio(_radio), next_frame(frame_queue) |
akashvibhute | 0:c3db0798d9aa | 41 | { |
akashvibhute | 4:75c5aa56411f | 42 | #if !defined ( DISABLE_FRAGMENTATION ) |
akashvibhute | 4:75c5aa56411f | 43 | frag_queue.message_buffer=&frag_queue_message_buffer[0]; |
akashvibhute | 4:75c5aa56411f | 44 | frag_ptr = &frag_queue; |
akashvibhute | 4:75c5aa56411f | 45 | #endif |
akashvibhute | 4:75c5aa56411f | 46 | txTime=0; networkFlags=0; returnSysMsgs=0; multicastRelay=0; |
akashvibhute | 0:c3db0798d9aa | 47 | } |
akashvibhute | 2:a5f8e04bd02b | 48 | #else |
akashvibhute | 2:a5f8e04bd02b | 49 | RF24Network::RF24Network( RF24& _radio, RF24& _radio1 ): radio(_radio), radio1(_radio1), next_frame(frame_queue) |
akashvibhute | 2:a5f8e04bd02b | 50 | { |
akashvibhute | 4:75c5aa56411f | 51 | #if !defined ( DISABLE_FRAGMENTATION ) |
akashvibhute | 4:75c5aa56411f | 52 | frag_queue.message_buffer=&frag_queue_message_buffer[0]; |
akashvibhute | 4:75c5aa56411f | 53 | frag_ptr = &frag_queue; |
akashvibhute | 4:75c5aa56411f | 54 | #endif |
akashvibhute | 4:75c5aa56411f | 55 | txTime=0; networkFlags=0; returnSysMsgs=0; multicastRelay=0; |
akashvibhute | 2:a5f8e04bd02b | 56 | } |
akashvibhute | 2:a5f8e04bd02b | 57 | #endif |
akashvibhute | 0:c3db0798d9aa | 58 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 59 | |
akashvibhute | 0:c3db0798d9aa | 60 | void RF24Network::begin(uint8_t _channel, uint16_t _node_address ) |
akashvibhute | 0:c3db0798d9aa | 61 | { |
akashvibhute | 4:75c5aa56411f | 62 | mainTimer.start(); |
akashvibhute | 4:75c5aa56411f | 63 | if (! is_valid_address(_node_address) ) |
akashvibhute | 4:75c5aa56411f | 64 | return; |
akashvibhute | 0:c3db0798d9aa | 65 | |
akashvibhute | 4:75c5aa56411f | 66 | node_address = _node_address; |
akashvibhute | 3:dfc8da7ac18c | 67 | |
akashvibhute | 4:75c5aa56411f | 68 | if ( ! radio.isValid() ){ |
akashvibhute | 4:75c5aa56411f | 69 | return; |
akashvibhute | 4:75c5aa56411f | 70 | } |
akashvibhute | 0:c3db0798d9aa | 71 | |
akashvibhute | 4:75c5aa56411f | 72 | // Set up the radio the way we want it to look |
akashvibhute | 4:75c5aa56411f | 73 | if(_channel != USE_CURRENT_CHANNEL){ |
akashvibhute | 4:75c5aa56411f | 74 | radio.setChannel(_channel); |
akashvibhute | 4:75c5aa56411f | 75 | } |
akashvibhute | 4:75c5aa56411f | 76 | //radio.enableDynamicAck(); |
akashvibhute | 4:75c5aa56411f | 77 | radio.setAutoAck(0,0); |
akashvibhute | 4:75c5aa56411f | 78 | |
akashvibhute | 4:75c5aa56411f | 79 | #if defined (ENABLE_DYNAMIC_PAYLOADS) |
akashvibhute | 4:75c5aa56411f | 80 | radio.enableDynamicPayloads(); |
akashvibhute | 4:75c5aa56411f | 81 | #endif |
akashvibhute | 4:75c5aa56411f | 82 | |
akashvibhute | 4:75c5aa56411f | 83 | // Use different retry periods to reduce data collisions |
akashvibhute | 4:75c5aa56411f | 84 | uint8_t retryVar = (((node_address % 6)+1) *2) + 3; |
akashvibhute | 4:75c5aa56411f | 85 | radio.setRetries(retryVar, 5); // max about 85ms per attempt |
akashvibhute | 4:75c5aa56411f | 86 | txTimeout = 25; |
akashvibhute | 4:75c5aa56411f | 87 | routeTimeout = txTimeout*3; // Adjust for max delay per node within a single chain |
akashvibhute | 2:a5f8e04bd02b | 88 | |
akashvibhute | 2:a5f8e04bd02b | 89 | |
akashvibhute | 2:a5f8e04bd02b | 90 | #if defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 91 | radio1.setChannel(_channel); |
akashvibhute | 4:75c5aa56411f | 92 | radio1.enableDynamicAck(); |
akashvibhute | 4:75c5aa56411f | 93 | radio1.enableDynamicPayloads(); |
akashvibhute | 2:a5f8e04bd02b | 94 | #endif |
akashvibhute | 2:a5f8e04bd02b | 95 | |
akashvibhute | 4:75c5aa56411f | 96 | // Setup our address helper cache |
akashvibhute | 4:75c5aa56411f | 97 | setup_address(); |
akashvibhute | 2:a5f8e04bd02b | 98 | |
akashvibhute | 4:75c5aa56411f | 99 | // Open up all listening pipes |
akashvibhute | 4:75c5aa56411f | 100 | uint8_t i = 6; |
akashvibhute | 4:75c5aa56411f | 101 | while (i--){ |
akashvibhute | 4:75c5aa56411f | 102 | radio.openReadingPipe(i,pipe_address(_node_address,i)); |
akashvibhute | 4:75c5aa56411f | 103 | } |
akashvibhute | 4:75c5aa56411f | 104 | radio.startListening(); |
akashvibhute | 3:dfc8da7ac18c | 105 | |
akashvibhute | 0:c3db0798d9aa | 106 | } |
akashvibhute | 0:c3db0798d9aa | 107 | |
akashvibhute | 0:c3db0798d9aa | 108 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 109 | |
akashvibhute | 2:a5f8e04bd02b | 110 | #if defined ENABLE_NETWORK_STATS |
akashvibhute | 4:75c5aa56411f | 111 | void RF24Network::failures(uint32_t *_fails, uint32_t *_ok){ |
akashvibhute | 4:75c5aa56411f | 112 | *_fails = nFails; |
akashvibhute | 4:75c5aa56411f | 113 | *_ok = nOK; |
akashvibhute | 2:a5f8e04bd02b | 114 | } |
akashvibhute | 2:a5f8e04bd02b | 115 | #endif |
akashvibhute | 2:a5f8e04bd02b | 116 | |
akashvibhute | 2:a5f8e04bd02b | 117 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 118 | |
akashvibhute | 2:a5f8e04bd02b | 119 | uint8_t RF24Network::update(void) |
akashvibhute | 0:c3db0798d9aa | 120 | { |
akashvibhute | 4:75c5aa56411f | 121 | // if there is data ready |
akashvibhute | 4:75c5aa56411f | 122 | uint8_t pipe_num; |
akashvibhute | 4:75c5aa56411f | 123 | uint8_t returnVal = 0; |
akashvibhute | 4:75c5aa56411f | 124 | |
akashvibhute | 4:75c5aa56411f | 125 | // If bypass is enabled, continue although incoming user data may be dropped |
akashvibhute | 4:75c5aa56411f | 126 | // Allows system payloads to be read while user cache is full |
akashvibhute | 4:75c5aa56411f | 127 | // Incoming Hold prevents data from being read from the radio, preventing incoming payloads from being acked |
akashvibhute | 4:75c5aa56411f | 128 | |
akashvibhute | 4:75c5aa56411f | 129 | if(!(networkFlags & FLAG_BYPASS_HOLDS)){ |
akashvibhute | 4:75c5aa56411f | 130 | if( (networkFlags & FLAG_HOLD_INCOMING) || (next_frame-frame_queue) + 34 > MAIN_BUFFER_SIZE ){ |
akashvibhute | 4:75c5aa56411f | 131 | if(!available()){ |
akashvibhute | 4:75c5aa56411f | 132 | networkFlags &= ~FLAG_HOLD_INCOMING; |
akashvibhute | 4:75c5aa56411f | 133 | }else{ |
akashvibhute | 4:75c5aa56411f | 134 | return 0; |
akashvibhute | 4:75c5aa56411f | 135 | } |
akashvibhute | 2:a5f8e04bd02b | 136 | } |
akashvibhute | 4:75c5aa56411f | 137 | } |
akashvibhute | 4:75c5aa56411f | 138 | |
akashvibhute | 4:75c5aa56411f | 139 | |
akashvibhute | 4:75c5aa56411f | 140 | |
akashvibhute | 4:75c5aa56411f | 141 | while ( radio.isValid() && radio.available(&pipe_num) ){ |
akashvibhute | 0:c3db0798d9aa | 142 | |
akashvibhute | 4:75c5aa56411f | 143 | #if defined (ENABLE_DYNAMIC_PAYLOADS) |
akashvibhute | 4:75c5aa56411f | 144 | if( (frame_size = radio.getDynamicPayloadSize() ) < sizeof(RF24NetworkHeader)){ |
akashvibhute | 4:75c5aa56411f | 145 | wait_ms(10); |
akashvibhute | 4:75c5aa56411f | 146 | continue; |
akashvibhute | 4:75c5aa56411f | 147 | } |
akashvibhute | 4:75c5aa56411f | 148 | #else |
akashvibhute | 4:75c5aa56411f | 149 | frame_size=32; |
akashvibhute | 4:75c5aa56411f | 150 | #endif |
akashvibhute | 4:75c5aa56411f | 151 | // Dump the payloads until we've gotten everything |
akashvibhute | 4:75c5aa56411f | 152 | // Fetch the payload, and see if this was the last one. |
akashvibhute | 4:75c5aa56411f | 153 | radio.read( frame_buffer, frame_size ); |
akashvibhute | 4:75c5aa56411f | 154 | |
akashvibhute | 4:75c5aa56411f | 155 | // Read the beginning of the frame as the header |
akashvibhute | 4:75c5aa56411f | 156 | RF24NetworkHeader *header = (RF24NetworkHeader*)(&frame_buffer); |
akashvibhute | 4:75c5aa56411f | 157 | |
akashvibhute | 4:75c5aa56411f | 158 | IF_SERIAL_DEBUG(printf_P(PSTR("%lu: MAC Received on %u %s\n\r"),millis(),pipe_num,header->toString())); |
akashvibhute | 4:75c5aa56411f | 159 | IF_SERIAL_DEBUG(const uint16_t* i = reinterpret_cast<const uint16_t*>(frame_buffer + sizeof(RF24NetworkHeader));printf_P(PSTR("%lu: NET message %04x\n\r"),millis(),*i)); |
akashvibhute | 3:dfc8da7ac18c | 160 | |
akashvibhute | 4:75c5aa56411f | 161 | |
akashvibhute | 4:75c5aa56411f | 162 | // Throw it away if it's not a valid address |
akashvibhute | 4:75c5aa56411f | 163 | if ( !is_valid_address(header->to_node) ){ |
akashvibhute | 4:75c5aa56411f | 164 | continue; |
akashvibhute | 4:75c5aa56411f | 165 | } |
akashvibhute | 4:75c5aa56411f | 166 | |
akashvibhute | 4:75c5aa56411f | 167 | uint8_t returnVal = header->type; |
akashvibhute | 0:c3db0798d9aa | 168 | |
akashvibhute | 4:75c5aa56411f | 169 | // Is this for us? |
akashvibhute | 4:75c5aa56411f | 170 | if ( header->to_node == node_address ){ |
akashvibhute | 4:75c5aa56411f | 171 | |
akashvibhute | 4:75c5aa56411f | 172 | if(header->type == NETWORK_PING){ |
akashvibhute | 4:75c5aa56411f | 173 | continue; |
akashvibhute | 4:75c5aa56411f | 174 | } |
akashvibhute | 4:75c5aa56411f | 175 | if(header->type == NETWORK_ADDR_RESPONSE ){ |
akashvibhute | 4:75c5aa56411f | 176 | uint16_t requester = 04444; |
akashvibhute | 4:75c5aa56411f | 177 | if(requester != node_address){ |
akashvibhute | 4:75c5aa56411f | 178 | header->to_node = requester; |
akashvibhute | 4:75c5aa56411f | 179 | write(header->to_node,USER_TX_TO_PHYSICAL_ADDRESS); |
akashvibhute | 4:75c5aa56411f | 180 | wait_ms(10); |
akashvibhute | 2:a5f8e04bd02b | 181 | write(header->to_node,USER_TX_TO_PHYSICAL_ADDRESS); |
akashvibhute | 4:75c5aa56411f | 182 | //printf("Fwd add response to 0%o\n",requester); |
akashvibhute | 4:75c5aa56411f | 183 | continue; |
akashvibhute | 4:75c5aa56411f | 184 | } |
akashvibhute | 4:75c5aa56411f | 185 | } |
akashvibhute | 4:75c5aa56411f | 186 | if(header->type == NETWORK_REQ_ADDRESS && node_address){ |
akashvibhute | 4:75c5aa56411f | 187 | //printf("Fwd add req to 0\n"); |
akashvibhute | 4:75c5aa56411f | 188 | header->from_node = node_address; |
akashvibhute | 4:75c5aa56411f | 189 | header->to_node = 0; |
akashvibhute | 4:75c5aa56411f | 190 | write(header->to_node,TX_NORMAL); |
akashvibhute | 4:75c5aa56411f | 191 | continue; |
akashvibhute | 4:75c5aa56411f | 192 | } |
akashvibhute | 4:75c5aa56411f | 193 | |
akashvibhute | 4:75c5aa56411f | 194 | if( (returnSysMsgs && header->type > 127) || header->type == NETWORK_ACK ){ |
akashvibhute | 4:75c5aa56411f | 195 | IF_SERIAL_DEBUG_ROUTING( printf_P(PSTR("%lu MAC: System payload rcvd %d\n"),millis(),returnVal); ); |
akashvibhute | 4:75c5aa56411f | 196 | //if( (header->type < 148 || header->type > 150) && header->type != NETWORK_MORE_FRAGMENTS_NACK && header->type != EXTERNAL_DATA_TYPE && header->type!= NETWORK_LAST_FRAGMENT){ |
akashvibhute | 4:75c5aa56411f | 197 | if( header->type != NETWORK_FIRST_FRAGMENT && header->type != NETWORK_MORE_FRAGMENTS && header->type != NETWORK_MORE_FRAGMENTS_NACK && header->type != EXTERNAL_DATA_TYPE && header->type!= NETWORK_LAST_FRAGMENT){ |
akashvibhute | 4:75c5aa56411f | 198 | return returnVal; |
akashvibhute | 4:75c5aa56411f | 199 | } |
akashvibhute | 4:75c5aa56411f | 200 | } |
akashvibhute | 3:dfc8da7ac18c | 201 | |
akashvibhute | 4:75c5aa56411f | 202 | if( enqueue(header) == 2 ){ //External data received |
akashvibhute | 4:75c5aa56411f | 203 | #if defined (SERIAL_DEBUG_MINIMAL) |
akashvibhute | 4:75c5aa56411f | 204 | printf("ret ext\n"); |
akashvibhute | 4:75c5aa56411f | 205 | #endif |
akashvibhute | 4:75c5aa56411f | 206 | return EXTERNAL_DATA_TYPE; |
akashvibhute | 4:75c5aa56411f | 207 | } |
akashvibhute | 4:75c5aa56411f | 208 | }else{ |
akashvibhute | 0:c3db0798d9aa | 209 | |
akashvibhute | 4:75c5aa56411f | 210 | #if defined (RF24NetworkMulticast) |
akashvibhute | 2:a5f8e04bd02b | 211 | |
akashvibhute | 4:75c5aa56411f | 212 | if( header->to_node == 0100){ |
akashvibhute | 4:75c5aa56411f | 213 | |
akashvibhute | 3:dfc8da7ac18c | 214 | |
akashvibhute | 4:75c5aa56411f | 215 | if(header->type == NETWORK_POLL ){ |
akashvibhute | 4:75c5aa56411f | 216 | if( !(networkFlags & FLAG_NO_POLL) && node_address != 04444 ){ |
akashvibhute | 4:75c5aa56411f | 217 | header->to_node = header->from_node; |
akashvibhute | 4:75c5aa56411f | 218 | header->from_node = node_address; |
akashvibhute | 4:75c5aa56411f | 219 | wait_ms(parent_pipe); |
akashvibhute | 4:75c5aa56411f | 220 | write(header->to_node,USER_TX_TO_PHYSICAL_ADDRESS); |
akashvibhute | 4:75c5aa56411f | 221 | } |
akashvibhute | 4:75c5aa56411f | 222 | continue; |
akashvibhute | 4:75c5aa56411f | 223 | } |
akashvibhute | 4:75c5aa56411f | 224 | uint8_t val = enqueue(header); |
akashvibhute | 4:75c5aa56411f | 225 | |
akashvibhute | 4:75c5aa56411f | 226 | if(multicastRelay){ |
akashvibhute | 4:75c5aa56411f | 227 | IF_SERIAL_DEBUG_ROUTING( printf_P(PSTR("%u MAC: FWD multicast frame from 0%o to level %u\n"),millis(),header->from_node,multicast_level+1); ); |
akashvibhute | 4:75c5aa56411f | 228 | write(levelToAddress(multicast_level)<<3,4); |
akashvibhute | 4:75c5aa56411f | 229 | } |
akashvibhute | 4:75c5aa56411f | 230 | if( val == 2 ){ //External data received |
akashvibhute | 4:75c5aa56411f | 231 | //Serial.println("ret ext multicast"); |
akashvibhute | 4:75c5aa56411f | 232 | return EXTERNAL_DATA_TYPE; |
akashvibhute | 4:75c5aa56411f | 233 | } |
akashvibhute | 2:a5f8e04bd02b | 234 | |
akashvibhute | 4:75c5aa56411f | 235 | }else{ |
akashvibhute | 4:75c5aa56411f | 236 | write(header->to_node,1); //Send it on, indicate it is a routed payload |
akashvibhute | 4:75c5aa56411f | 237 | } |
akashvibhute | 4:75c5aa56411f | 238 | #else |
akashvibhute | 4:75c5aa56411f | 239 | write(header->to_node,1); //Send it on, indicate it is a routed payload |
akashvibhute | 4:75c5aa56411f | 240 | #endif |
akashvibhute | 4:75c5aa56411f | 241 | } |
akashvibhute | 4:75c5aa56411f | 242 | |
akashvibhute | 4:75c5aa56411f | 243 | } |
akashvibhute | 4:75c5aa56411f | 244 | return returnVal; |
akashvibhute | 0:c3db0798d9aa | 245 | } |
akashvibhute | 0:c3db0798d9aa | 246 | |
akashvibhute | 2:a5f8e04bd02b | 247 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 248 | |
akashvibhute | 2:a5f8e04bd02b | 249 | uint8_t RF24Network::enqueue(RF24NetworkHeader* header) |
akashvibhute | 0:c3db0798d9aa | 250 | { |
akashvibhute | 4:75c5aa56411f | 251 | bool result = false; |
akashvibhute | 4:75c5aa56411f | 252 | uint16_t message_size = frame_size - sizeof(RF24NetworkHeader); |
akashvibhute | 4:75c5aa56411f | 253 | |
akashvibhute | 4:75c5aa56411f | 254 | IF_SERIAL_DEBUG(printf_P(PSTR("%lu: NET Enqueue @%x "),mainTimer.read_ms(),next_frame-frame_queue)); |
akashvibhute | 4:75c5aa56411f | 255 | |
akashvibhute | 4:75c5aa56411f | 256 | #if !defined ( DISABLE_FRAGMENTATION ) |
akashvibhute | 2:a5f8e04bd02b | 257 | |
akashvibhute | 4:75c5aa56411f | 258 | bool isFragment = header->type == NETWORK_FIRST_FRAGMENT || header->type == NETWORK_MORE_FRAGMENTS || header->type == NETWORK_LAST_FRAGMENT || header->type == NETWORK_MORE_FRAGMENTS_NACK ; |
akashvibhute | 2:a5f8e04bd02b | 259 | |
akashvibhute | 4:75c5aa56411f | 260 | if(isFragment){ |
akashvibhute | 2:a5f8e04bd02b | 261 | |
akashvibhute | 4:75c5aa56411f | 262 | if(header->type == NETWORK_FIRST_FRAGMENT){ |
akashvibhute | 4:75c5aa56411f | 263 | // Drop frames exceeding max size and duplicates (MAX_PAYLOAD_SIZE needs to be divisible by 24) |
akashvibhute | 4:75c5aa56411f | 264 | if(header->reserved > (MAX_PAYLOAD_SIZE / max_frame_payload_size) ){ |
akashvibhute | 2:a5f8e04bd02b | 265 | |
akashvibhute | 4:75c5aa56411f | 266 | #if defined (SERIAL_DEBUG_FRAGMENTATION) || defined (SERIAL_DEBUG_MINIMAL) |
akashvibhute | 4:75c5aa56411f | 267 | printf_P(PSTR("Frag frame with %d frags exceeds MAX_PAYLOAD_SIZE or out of sequence\n"),header->reserved); |
akashvibhute | 4:75c5aa56411f | 268 | #endif |
akashvibhute | 4:75c5aa56411f | 269 | frag_queue.header.reserved = 0; |
akashvibhute | 4:75c5aa56411f | 270 | return false; |
akashvibhute | 4:75c5aa56411f | 271 | }else |
akashvibhute | 4:75c5aa56411f | 272 | if(frag_queue.header.id == header->id && frag_queue.header.from_node == header->from_node){ |
akashvibhute | 4:75c5aa56411f | 273 | return true; |
akashvibhute | 4:75c5aa56411f | 274 | } |
akashvibhute | 4:75c5aa56411f | 275 | |
akashvibhute | 4:75c5aa56411f | 276 | if( (header->reserved * 24) > (MAX_PAYLOAD_SIZE - (next_frame-frame_queue)) ){ |
akashvibhute | 4:75c5aa56411f | 277 | networkFlags |= FLAG_HOLD_INCOMING; |
akashvibhute | 4:75c5aa56411f | 278 | radio.stopListening(); |
akashvibhute | 4:75c5aa56411f | 279 | } |
akashvibhute | 4:75c5aa56411f | 280 | |
akashvibhute | 4:75c5aa56411f | 281 | memcpy(&frag_queue,&frame_buffer,8); |
akashvibhute | 4:75c5aa56411f | 282 | memcpy(frag_queue.message_buffer,frame_buffer+sizeof(RF24NetworkHeader),message_size); |
akashvibhute | 4:75c5aa56411f | 283 | |
akashvibhute | 3:dfc8da7ac18c | 284 | //IF_SERIAL_DEBUG_FRAGMENTATION( Serial.print(F("queue first, total frags ")); Serial.println(header->reserved); ); |
akashvibhute | 4:75c5aa56411f | 285 | //Store the total size of the stored frame in message_size |
akashvibhute | 4:75c5aa56411f | 286 | frag_queue.message_size = message_size; |
akashvibhute | 4:75c5aa56411f | 287 | --frag_queue.header.reserved; |
akashvibhute | 4:75c5aa56411f | 288 | |
akashvibhute | 4:75c5aa56411f | 289 | IF_SERIAL_DEBUG_FRAGMENTATION_L2( for(int i=0; i<frag_queue.message_size;i++){ Serial.println(frag_queue.message_buffer[i],HEX); } ); |
akashvibhute | 4:75c5aa56411f | 290 | |
akashvibhute | 4:75c5aa56411f | 291 | return true; |
akashvibhute | 2:a5f8e04bd02b | 292 | |
akashvibhute | 4:75c5aa56411f | 293 | }else // NETWORK_MORE_FRAGMENTS |
akashvibhute | 4:75c5aa56411f | 294 | if(header->type == NETWORK_LAST_FRAGMENT || header->type == NETWORK_MORE_FRAGMENTS || header->type == NETWORK_MORE_FRAGMENTS_NACK){ |
akashvibhute | 4:75c5aa56411f | 295 | |
akashvibhute | 4:75c5aa56411f | 296 | if(frag_queue.message_size + message_size > MAX_PAYLOAD_SIZE){ |
akashvibhute | 4:75c5aa56411f | 297 | #if defined (SERIAL_DEBUG_FRAGMENTATION) || defined (SERIAL_DEBUG_MINIMAL) |
akashvibhute | 4:75c5aa56411f | 298 | Serial.print(F("Drop frag ")); Serial.print(header->reserved); |
akashvibhute | 4:75c5aa56411f | 299 | Serial.println(F(" Size exceeds max")); |
akashvibhute | 4:75c5aa56411f | 300 | #endif |
akashvibhute | 4:75c5aa56411f | 301 | frag_queue.header.reserved=0; |
akashvibhute | 4:75c5aa56411f | 302 | return false; |
akashvibhute | 4:75c5aa56411f | 303 | } |
akashvibhute | 4:75c5aa56411f | 304 | if( frag_queue.header.reserved == 0 || (header->type != NETWORK_LAST_FRAGMENT && header->reserved != frag_queue.header.reserved ) || frag_queue.header.id != header->id ){ |
akashvibhute | 4:75c5aa56411f | 305 | #if defined (SERIAL_DEBUG_FRAGMENTATION) || defined (SERIAL_DEBUG_MINIMAL) |
akashvibhute | 4:75c5aa56411f | 306 | Serial.print(F("Drop frag ")); Serial.print(header->reserved); |
akashvibhute | 4:75c5aa56411f | 307 | //Serial.print(F(" header id ")); Serial.print(header->id); |
akashvibhute | 4:75c5aa56411f | 308 | Serial.println(F(" Out of order ")); |
akashvibhute | 4:75c5aa56411f | 309 | #endif |
akashvibhute | 4:75c5aa56411f | 310 | return false; |
akashvibhute | 4:75c5aa56411f | 311 | } |
akashvibhute | 4:75c5aa56411f | 312 | |
akashvibhute | 4:75c5aa56411f | 313 | memcpy(frag_queue.message_buffer+frag_queue.message_size,frame_buffer+sizeof(RF24NetworkHeader),message_size); |
akashvibhute | 4:75c5aa56411f | 314 | frag_queue.message_size += message_size; |
akashvibhute | 4:75c5aa56411f | 315 | |
akashvibhute | 4:75c5aa56411f | 316 | if(header->type != NETWORK_LAST_FRAGMENT){ |
akashvibhute | 4:75c5aa56411f | 317 | --frag_queue.header.reserved; |
akashvibhute | 4:75c5aa56411f | 318 | return true; |
akashvibhute | 4:75c5aa56411f | 319 | } |
akashvibhute | 4:75c5aa56411f | 320 | frag_queue.header.reserved = 0; |
akashvibhute | 4:75c5aa56411f | 321 | frag_queue.header.type = header->reserved; |
akashvibhute | 4:75c5aa56411f | 322 | |
akashvibhute | 4:75c5aa56411f | 323 | IF_SERIAL_DEBUG_FRAGMENTATION( printf_P(PSTR("fq 3: %d\n"),frag_queue.message_size); ); |
akashvibhute | 4:75c5aa56411f | 324 | IF_SERIAL_DEBUG_FRAGMENTATION_L2(for(int i=0; i< frag_queue.message_size;i++){ Serial.println(frag_queue.message_buffer[i],HEX); } ); |
akashvibhute | 4:75c5aa56411f | 325 | |
akashvibhute | 4:75c5aa56411f | 326 | //Frame assembly complete, copy to main buffer if OK |
akashvibhute | 4:75c5aa56411f | 327 | if(frag_queue.header.type == EXTERNAL_DATA_TYPE){ |
akashvibhute | 4:75c5aa56411f | 328 | return 2; |
akashvibhute | 4:75c5aa56411f | 329 | } |
akashvibhute | 4:75c5aa56411f | 330 | #if defined (DISABLE_USER_PAYLOADS) |
akashvibhute | 4:75c5aa56411f | 331 | return 0; |
akashvibhute | 4:75c5aa56411f | 332 | #endif |
akashvibhute | 4:75c5aa56411f | 333 | |
akashvibhute | 4:75c5aa56411f | 334 | if(MAX_PAYLOAD_SIZE - (next_frame-frame_queue) >= frag_queue.message_size){ |
akashvibhute | 4:75c5aa56411f | 335 | memcpy(next_frame,&frag_queue,10); |
akashvibhute | 4:75c5aa56411f | 336 | memcpy(next_frame+10,frag_queue.message_buffer,frag_queue.message_size); |
akashvibhute | 4:75c5aa56411f | 337 | next_frame += (10+frag_queue.message_size); |
akashvibhute | 4:75c5aa56411f | 338 | #if !defined(ARDUINO_ARCH_AVR) |
akashvibhute | 4:75c5aa56411f | 339 | if(uint8_t padding = (frag_queue.message_size+10)%4){ |
akashvibhute | 4:75c5aa56411f | 340 | next_frame += 4 - padding; |
akashvibhute | 4:75c5aa56411f | 341 | } |
akashvibhute | 4:75c5aa56411f | 342 | #endif |
akashvibhute | 4:75c5aa56411f | 343 | IF_SERIAL_DEBUG_FRAGMENTATION( printf_P(PSTR("enq size %d\n"),frag_queue.message_size); ); |
akashvibhute | 4:75c5aa56411f | 344 | return true; |
akashvibhute | 4:75c5aa56411f | 345 | }else{ |
akashvibhute | 4:75c5aa56411f | 346 | radio.stopListening(); |
akashvibhute | 4:75c5aa56411f | 347 | networkFlags |= FLAG_HOLD_INCOMING; |
akashvibhute | 4:75c5aa56411f | 348 | } |
akashvibhute | 4:75c5aa56411f | 349 | IF_SERIAL_DEBUG_FRAGMENTATION( printf_P(PSTR("Drop frag payload, queue full\n")); ); |
akashvibhute | 4:75c5aa56411f | 350 | return false; |
akashvibhute | 4:75c5aa56411f | 351 | }//If more or last fragments |
akashvibhute | 2:a5f8e04bd02b | 352 | |
akashvibhute | 4:75c5aa56411f | 353 | }else //else is not a fragment |
akashvibhute | 4:75c5aa56411f | 354 | #endif // End fragmentation enabled |
akashvibhute | 0:c3db0798d9aa | 355 | |
akashvibhute | 4:75c5aa56411f | 356 | // Copy the current frame into the frame queue |
akashvibhute | 2:a5f8e04bd02b | 357 | |
akashvibhute | 2:a5f8e04bd02b | 358 | #if !defined( DISABLE_FRAGMENTATION ) |
akashvibhute | 0:c3db0798d9aa | 359 | |
akashvibhute | 4:75c5aa56411f | 360 | if(header->type == EXTERNAL_DATA_TYPE){ |
akashvibhute | 4:75c5aa56411f | 361 | memcpy(&frag_queue,&frame_buffer,8); |
akashvibhute | 4:75c5aa56411f | 362 | frag_queue.message_buffer = frame_buffer+sizeof(RF24NetworkHeader); |
akashvibhute | 4:75c5aa56411f | 363 | frag_queue.message_size = message_size; |
akashvibhute | 4:75c5aa56411f | 364 | return 2; |
akashvibhute | 4:75c5aa56411f | 365 | } |
akashvibhute | 4:75c5aa56411f | 366 | #endif |
akashvibhute | 2:a5f8e04bd02b | 367 | #if defined (DISABLE_USER_PAYLOADS) |
akashvibhute | 4:75c5aa56411f | 368 | return 0; |
akashvibhute | 4:75c5aa56411f | 369 | } |
akashvibhute | 2:a5f8e04bd02b | 370 | #else |
akashvibhute | 4:75c5aa56411f | 371 | if(message_size + (next_frame-frame_queue) <= MAIN_BUFFER_SIZE){ |
akashvibhute | 4:75c5aa56411f | 372 | memcpy(next_frame,&frame_buffer,8); |
akashvibhute | 4:75c5aa56411f | 373 | memcpy(next_frame+8,&message_size,2); |
akashvibhute | 4:75c5aa56411f | 374 | memcpy(next_frame+10,frame_buffer+8,message_size); |
akashvibhute | 4:75c5aa56411f | 375 | |
akashvibhute | 4:75c5aa56411f | 376 | //IF_SERIAL_DEBUG_FRAGMENTATION( for(int i=0; i<message_size;i++){ Serial.print(next_frame[i],HEX); Serial.print(" : "); } Serial.println(""); ); |
akashvibhute | 4:75c5aa56411f | 377 | |
akashvibhute | 4:75c5aa56411f | 378 | next_frame += (message_size + 10); |
akashvibhute | 4:75c5aa56411f | 379 | #if !defined(ARDUINO_ARCH_AVR) |
akashvibhute | 4:75c5aa56411f | 380 | if(uint8_t padding = (message_size+10)%4){ |
akashvibhute | 4:75c5aa56411f | 381 | next_frame += 4 - padding; |
akashvibhute | 3:dfc8da7ac18c | 382 | } |
akashvibhute | 4:75c5aa56411f | 383 | #endif |
akashvibhute | 4:75c5aa56411f | 384 | //IF_SERIAL_DEBUG_FRAGMENTATION( Serial.print("Enq "); Serial.println(next_frame-frame_queue); );//printf_P(PSTR("enq %d\n"),next_frame-frame_queue); ); |
akashvibhute | 4:75c5aa56411f | 385 | |
akashvibhute | 4:75c5aa56411f | 386 | result = true; |
akashvibhute | 4:75c5aa56411f | 387 | }else{ |
akashvibhute | 4:75c5aa56411f | 388 | result = false; |
akashvibhute | 4:75c5aa56411f | 389 | IF_SERIAL_DEBUG(printf_P(PSTR("NET **Drop Payload** Buffer Full"))); |
akashvibhute | 4:75c5aa56411f | 390 | } |
akashvibhute | 4:75c5aa56411f | 391 | return result; |
akashvibhute | 0:c3db0798d9aa | 392 | } |
akashvibhute | 4:75c5aa56411f | 393 | #endif |
akashvibhute | 0:c3db0798d9aa | 394 | |
akashvibhute | 0:c3db0798d9aa | 395 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 396 | |
akashvibhute | 0:c3db0798d9aa | 397 | bool RF24Network::available(void) |
akashvibhute | 0:c3db0798d9aa | 398 | { |
akashvibhute | 4:75c5aa56411f | 399 | // Are there frames on the queue for us? |
akashvibhute | 4:75c5aa56411f | 400 | return (next_frame > frame_queue); |
akashvibhute | 2:a5f8e04bd02b | 401 | |
akashvibhute | 0:c3db0798d9aa | 402 | } |
akashvibhute | 0:c3db0798d9aa | 403 | |
akashvibhute | 0:c3db0798d9aa | 404 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 405 | |
akashvibhute | 2:a5f8e04bd02b | 406 | uint16_t RF24Network::parent() const |
akashvibhute | 0:c3db0798d9aa | 407 | { |
akashvibhute | 4:75c5aa56411f | 408 | if ( node_address == 0 ) |
akashvibhute | 4:75c5aa56411f | 409 | return -1; |
akashvibhute | 4:75c5aa56411f | 410 | else |
akashvibhute | 4:75c5aa56411f | 411 | return parent_node; |
akashvibhute | 2:a5f8e04bd02b | 412 | } |
akashvibhute | 0:c3db0798d9aa | 413 | |
akashvibhute | 2:a5f8e04bd02b | 414 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 415 | /*uint8_t RF24Network::peekData(){ |
akashvibhute | 4:75c5aa56411f | 416 | |
akashvibhute | 4:75c5aa56411f | 417 | return frame_queue[0]; |
akashvibhute | 2:a5f8e04bd02b | 418 | }*/ |
akashvibhute | 2:a5f8e04bd02b | 419 | |
akashvibhute | 2:a5f8e04bd02b | 420 | uint16_t RF24Network::peek(RF24NetworkHeader& header) |
akashvibhute | 2:a5f8e04bd02b | 421 | { |
akashvibhute | 4:75c5aa56411f | 422 | if ( available() ) |
akashvibhute | 4:75c5aa56411f | 423 | { |
akashvibhute | 2:a5f8e04bd02b | 424 | |
akashvibhute | 4:75c5aa56411f | 425 | RF24NetworkFrame *frame = (RF24NetworkFrame*)(frame_queue); |
akashvibhute | 4:75c5aa56411f | 426 | memcpy(&header,&frame->header,sizeof(RF24NetworkHeader)); |
akashvibhute | 4:75c5aa56411f | 427 | uint16_t msg_size; |
akashvibhute | 4:75c5aa56411f | 428 | memcpy(&msg_size,frame+8,2); |
akashvibhute | 4:75c5aa56411f | 429 | return msg_size; |
akashvibhute | 4:75c5aa56411f | 430 | } |
akashvibhute | 4:75c5aa56411f | 431 | return 0; |
akashvibhute | 2:a5f8e04bd02b | 432 | } |
akashvibhute | 2:a5f8e04bd02b | 433 | |
akashvibhute | 2:a5f8e04bd02b | 434 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 435 | |
akashvibhute | 2:a5f8e04bd02b | 436 | uint16_t RF24Network::read(RF24NetworkHeader& header,void* message, uint16_t maxlen) |
akashvibhute | 2:a5f8e04bd02b | 437 | { |
akashvibhute | 4:75c5aa56411f | 438 | uint16_t bufsize = 0; |
akashvibhute | 2:a5f8e04bd02b | 439 | |
akashvibhute | 4:75c5aa56411f | 440 | |
akashvibhute | 4:75c5aa56411f | 441 | if ( available() ) |
akashvibhute | 4:75c5aa56411f | 442 | { |
akashvibhute | 4:75c5aa56411f | 443 | |
akashvibhute | 4:75c5aa56411f | 444 | memcpy(&header,frame_queue,8); |
akashvibhute | 4:75c5aa56411f | 445 | memcpy(&bufsize,frame_queue+8,2); |
akashvibhute | 3:dfc8da7ac18c | 446 | |
akashvibhute | 4:75c5aa56411f | 447 | if (maxlen > 0) |
akashvibhute | 4:75c5aa56411f | 448 | { |
akashvibhute | 4:75c5aa56411f | 449 | maxlen = rf24_min(maxlen,bufsize); |
akashvibhute | 4:75c5aa56411f | 450 | memcpy(message,frame_queue+10,maxlen); |
akashvibhute | 4:75c5aa56411f | 451 | IF_SERIAL_DEBUG(printf("%lu: NET message size %d\n",millis(),bufsize);); |
akashvibhute | 2:a5f8e04bd02b | 452 | |
akashvibhute | 4:75c5aa56411f | 453 | |
akashvibhute | 4:75c5aa56411f | 454 | IF_SERIAL_DEBUG( uint16_t len = maxlen; printf_P(PSTR("%lu: NET r message "),millis());const uint8_t* charPtr = reinterpret_cast<const uint8_t*>(message);while(len--){ printf("%02x ",charPtr[len]);} printf_P(PSTR("\n\r") ) ); |
akashvibhute | 4:75c5aa56411f | 455 | |
akashvibhute | 4:75c5aa56411f | 456 | } |
akashvibhute | 4:75c5aa56411f | 457 | memmove(frame_queue,frame_queue+bufsize+10,sizeof(frame_queue)- bufsize); |
akashvibhute | 4:75c5aa56411f | 458 | next_frame-=bufsize+10; |
akashvibhute | 4:75c5aa56411f | 459 | |
akashvibhute | 4:75c5aa56411f | 460 | if(uint8_t padding = (bufsize+10)%4){ |
akashvibhute | 4:75c5aa56411f | 461 | next_frame -= 4 - padding; |
akashvibhute | 4:75c5aa56411f | 462 | } |
akashvibhute | 4:75c5aa56411f | 463 | |
akashvibhute | 4:75c5aa56411f | 464 | //IF_SERIAL_DEBUG(printf_P(PSTR("%lu: NET Received %s\n\r"),millis(),header.toString())); |
akashvibhute | 4:75c5aa56411f | 465 | } |
akashvibhute | 2:a5f8e04bd02b | 466 | |
akashvibhute | 4:75c5aa56411f | 467 | return bufsize; |
akashvibhute | 0:c3db0798d9aa | 468 | } |
akashvibhute | 0:c3db0798d9aa | 469 | |
akashvibhute | 2:a5f8e04bd02b | 470 | |
akashvibhute | 2:a5f8e04bd02b | 471 | #if defined RF24NetworkMulticast |
akashvibhute | 2:a5f8e04bd02b | 472 | /******************************************************************/ |
akashvibhute | 4:75c5aa56411f | 473 | bool RF24Network::multicast(RF24NetworkHeader& header,const void* message, uint16_t len, uint8_t level){ |
akashvibhute | 4:75c5aa56411f | 474 | // Fill out the header |
akashvibhute | 4:75c5aa56411f | 475 | header.to_node = 0100; |
akashvibhute | 4:75c5aa56411f | 476 | header.from_node = node_address; |
akashvibhute | 4:75c5aa56411f | 477 | return write(header, message, len, levelToAddress(level)); |
akashvibhute | 2:a5f8e04bd02b | 478 | } |
akashvibhute | 2:a5f8e04bd02b | 479 | #endif |
akashvibhute | 2:a5f8e04bd02b | 480 | |
akashvibhute | 2:a5f8e04bd02b | 481 | /******************************************************************/ |
akashvibhute | 4:75c5aa56411f | 482 | bool RF24Network::write(RF24NetworkHeader& header,const void* message, uint16_t len){ |
akashvibhute | 4:75c5aa56411f | 483 | return write(header,message,len,070); |
akashvibhute | 2:a5f8e04bd02b | 484 | } |
akashvibhute | 2:a5f8e04bd02b | 485 | /******************************************************************/ |
akashvibhute | 4:75c5aa56411f | 486 | bool RF24Network::write(RF24NetworkHeader& header,const void* message, uint16_t len, uint16_t writeDirect){ |
akashvibhute | 4:75c5aa56411f | 487 | |
akashvibhute | 2:a5f8e04bd02b | 488 | //Allows time for requests (RF24Mesh) to get through between failed writes on busy nodes |
akashvibhute | 4:75c5aa56411f | 489 | while(mainTimer.read_ms()-txTime < 25){ if(update() > 127){break;} } |
akashvibhute | 4:75c5aa56411f | 490 | wait_us(200); |
akashvibhute | 2:a5f8e04bd02b | 491 | |
akashvibhute | 2:a5f8e04bd02b | 492 | #if defined (DISABLE_FRAGMENTATION) |
akashvibhute | 2:a5f8e04bd02b | 493 | frame_size = rf24_min(len+sizeof(RF24NetworkHeader),MAX_FRAME_SIZE); |
akashvibhute | 4:75c5aa56411f | 494 | return _write(header,message,rf24_min(len,max_frame_payload_size),writeDirect); |
akashvibhute | 4:75c5aa56411f | 495 | #else |
akashvibhute | 4:75c5aa56411f | 496 | if(len <= max_frame_payload_size){ |
akashvibhute | 4:75c5aa56411f | 497 | //Normal Write (Un-Fragmented) |
akashvibhute | 4:75c5aa56411f | 498 | frame_size = len + sizeof(RF24NetworkHeader); |
akashvibhute | 4:75c5aa56411f | 499 | if(_write(header,message,len,writeDirect)){ |
akashvibhute | 4:75c5aa56411f | 500 | return 1; |
akashvibhute | 2:a5f8e04bd02b | 501 | } |
akashvibhute | 4:75c5aa56411f | 502 | txTime = mainTimer.read_ms(); |
akashvibhute | 4:75c5aa56411f | 503 | return 0; |
akashvibhute | 4:75c5aa56411f | 504 | } |
akashvibhute | 4:75c5aa56411f | 505 | //Check payload size |
akashvibhute | 4:75c5aa56411f | 506 | if (len > MAX_PAYLOAD_SIZE) { |
akashvibhute | 4:75c5aa56411f | 507 | IF_SERIAL_DEBUG(printf("%u: NET write message failed. Given 'len' %d is bigger than the MAX Payload size %i\n\r",millis(),len,MAX_PAYLOAD_SIZE);); |
akashvibhute | 4:75c5aa56411f | 508 | return false; |
akashvibhute | 4:75c5aa56411f | 509 | } |
akashvibhute | 4:75c5aa56411f | 510 | |
akashvibhute | 4:75c5aa56411f | 511 | //Divide the message payload into chunks of max_frame_payload_size |
akashvibhute | 4:75c5aa56411f | 512 | uint8_t fragment_id = (len % max_frame_payload_size != 0) + ((len ) / max_frame_payload_size); //the number of fragments to send = ceil(len/max_frame_payload_size) |
akashvibhute | 4:75c5aa56411f | 513 | |
akashvibhute | 4:75c5aa56411f | 514 | uint8_t msgCount = 0; |
akashvibhute | 2:a5f8e04bd02b | 515 | |
akashvibhute | 4:75c5aa56411f | 516 | //IF_SERIAL_DEBUG_FRAGMENTATION(printf("%lu: FRG Total message fragments %d\n\r",millis(),fragment_id);); |
akashvibhute | 4:75c5aa56411f | 517 | |
akashvibhute | 4:75c5aa56411f | 518 | if(header.to_node != 0100){ |
akashvibhute | 4:75c5aa56411f | 519 | networkFlags |= FLAG_FAST_FRAG; |
akashvibhute | 4:75c5aa56411f | 520 | #if !defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 521 | radio.stopListening(); |
akashvibhute | 4:75c5aa56411f | 522 | #endif |
akashvibhute | 4:75c5aa56411f | 523 | } |
akashvibhute | 4:75c5aa56411f | 524 | |
akashvibhute | 4:75c5aa56411f | 525 | uint8_t retriesPerFrag = 0; |
akashvibhute | 4:75c5aa56411f | 526 | uint8_t type = header.type; |
akashvibhute | 4:75c5aa56411f | 527 | bool ok = 0; |
akashvibhute | 4:75c5aa56411f | 528 | |
akashvibhute | 4:75c5aa56411f | 529 | while (fragment_id > 0) { |
akashvibhute | 4:75c5aa56411f | 530 | |
akashvibhute | 4:75c5aa56411f | 531 | //Copy and fill out the header |
akashvibhute | 4:75c5aa56411f | 532 | //RF24NetworkHeader fragmentHeader = header; |
akashvibhute | 4:75c5aa56411f | 533 | header.reserved = fragment_id; |
akashvibhute | 2:a5f8e04bd02b | 534 | |
akashvibhute | 4:75c5aa56411f | 535 | if (fragment_id == 1) { |
akashvibhute | 4:75c5aa56411f | 536 | header.type = NETWORK_LAST_FRAGMENT; //Set the last fragment flag to indicate the last fragment |
akashvibhute | 4:75c5aa56411f | 537 | header.reserved = type; //The reserved field is used to transmit the header type |
akashvibhute | 4:75c5aa56411f | 538 | } else { |
akashvibhute | 4:75c5aa56411f | 539 | if (msgCount == 0) { |
akashvibhute | 4:75c5aa56411f | 540 | header.type = NETWORK_FIRST_FRAGMENT; |
akashvibhute | 4:75c5aa56411f | 541 | }else{ |
akashvibhute | 4:75c5aa56411f | 542 | header.type = NETWORK_MORE_FRAGMENTS; //Set the more fragments flag to indicate a fragmented frame |
akashvibhute | 4:75c5aa56411f | 543 | } |
akashvibhute | 4:75c5aa56411f | 544 | } |
akashvibhute | 4:75c5aa56411f | 545 | |
akashvibhute | 4:75c5aa56411f | 546 | uint16_t offset = msgCount*max_frame_payload_size; |
akashvibhute | 4:75c5aa56411f | 547 | uint16_t fragmentLen = rf24_min((uint16_t)(len-offset),max_frame_payload_size); |
akashvibhute | 2:a5f8e04bd02b | 548 | |
akashvibhute | 4:75c5aa56411f | 549 | //Try to send the payload chunk with the copied header |
akashvibhute | 4:75c5aa56411f | 550 | frame_size = sizeof(RF24NetworkHeader)+fragmentLen; |
akashvibhute | 4:75c5aa56411f | 551 | ok = _write(header,((char *)message)+offset,fragmentLen,writeDirect); |
akashvibhute | 4:75c5aa56411f | 552 | |
akashvibhute | 4:75c5aa56411f | 553 | if (!ok) { |
akashvibhute | 4:75c5aa56411f | 554 | wait_ms(2); |
akashvibhute | 4:75c5aa56411f | 555 | ++retriesPerFrag; |
akashvibhute | 4:75c5aa56411f | 556 | |
akashvibhute | 4:75c5aa56411f | 557 | }else{ |
akashvibhute | 4:75c5aa56411f | 558 | retriesPerFrag = 0; |
akashvibhute | 4:75c5aa56411f | 559 | fragment_id--; |
akashvibhute | 4:75c5aa56411f | 560 | msgCount++; |
akashvibhute | 4:75c5aa56411f | 561 | } |
akashvibhute | 4:75c5aa56411f | 562 | |
akashvibhute | 4:75c5aa56411f | 563 | //if(writeDirect != 070){ delay(2); } //Delay 2ms between sending multicast payloads |
akashvibhute | 4:75c5aa56411f | 564 | |
akashvibhute | 4:75c5aa56411f | 565 | if (!ok && retriesPerFrag >= 3) { |
akashvibhute | 4:75c5aa56411f | 566 | //IF_SERIAL_DEBUG_FRAGMENTATION(printf("%lu: FRG TX with fragmentID '%d' failed after %d fragments. Abort.\n\r",millis(),fragment_id,msgCount);); |
akashvibhute | 4:75c5aa56411f | 567 | break; |
akashvibhute | 2:a5f8e04bd02b | 568 | } |
akashvibhute | 2:a5f8e04bd02b | 569 | |
akashvibhute | 4:75c5aa56411f | 570 | |
akashvibhute | 4:75c5aa56411f | 571 | //Message was successful sent |
akashvibhute | 4:75c5aa56411f | 572 | #if defined SERIAL_DEBUG_FRAGMENTATION_L2 |
akashvibhute | 4:75c5aa56411f | 573 | printf("%lu: FRG message transmission with fragmentID '%d' sucessfull.\n\r",mainTimer.read_ms(),fragment_id); |
akashvibhute | 4:75c5aa56411f | 574 | #endif |
akashvibhute | 2:a5f8e04bd02b | 575 | |
akashvibhute | 4:75c5aa56411f | 576 | } |
akashvibhute | 4:75c5aa56411f | 577 | header.type = type; |
akashvibhute | 4:75c5aa56411f | 578 | #if !defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 579 | if(networkFlags & FLAG_FAST_FRAG){ |
akashvibhute | 4:75c5aa56411f | 580 | ok = radio.txStandBy(txTimeout); |
akashvibhute | 4:75c5aa56411f | 581 | radio.startListening(); |
akashvibhute | 4:75c5aa56411f | 582 | radio.setAutoAck(0,0); |
akashvibhute | 4:75c5aa56411f | 583 | } |
akashvibhute | 4:75c5aa56411f | 584 | networkFlags &= ~FLAG_FAST_FRAG; |
akashvibhute | 4:75c5aa56411f | 585 | |
akashvibhute | 4:75c5aa56411f | 586 | if(!ok){ |
akashvibhute | 4:75c5aa56411f | 587 | return false; |
akashvibhute | 4:75c5aa56411f | 588 | } |
akashvibhute | 4:75c5aa56411f | 589 | #endif |
akashvibhute | 4:75c5aa56411f | 590 | //int frag_delay = uint8_t(len/48); |
akashvibhute | 4:75c5aa56411f | 591 | //delay( rf24_min(len/48,20)); |
akashvibhute | 2:a5f8e04bd02b | 592 | |
akashvibhute | 4:75c5aa56411f | 593 | //Return true if all the chunks where sent successfully |
akashvibhute | 4:75c5aa56411f | 594 | |
akashvibhute | 4:75c5aa56411f | 595 | IF_SERIAL_DEBUG_FRAGMENTATION(printf("%u: FRG total message fragments sent %i. \n",mainTimer.read_ms(),msgCount); ); |
akashvibhute | 4:75c5aa56411f | 596 | if(fragment_id > 0){ |
akashvibhute | 4:75c5aa56411f | 597 | txTime = mainTimer.read_ms(); |
akashvibhute | 4:75c5aa56411f | 598 | return false; |
akashvibhute | 4:75c5aa56411f | 599 | } |
akashvibhute | 4:75c5aa56411f | 600 | return true; |
akashvibhute | 4:75c5aa56411f | 601 | |
akashvibhute | 2:a5f8e04bd02b | 602 | #endif //Fragmentation enabled |
akashvibhute | 2:a5f8e04bd02b | 603 | } |
akashvibhute | 0:c3db0798d9aa | 604 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 605 | |
akashvibhute | 2:a5f8e04bd02b | 606 | bool RF24Network::_write(RF24NetworkHeader& header,const void* message, uint16_t len, uint16_t writeDirect) |
akashvibhute | 0:c3db0798d9aa | 607 | { |
akashvibhute | 4:75c5aa56411f | 608 | // Fill out the header |
akashvibhute | 4:75c5aa56411f | 609 | header.from_node = node_address; |
akashvibhute | 4:75c5aa56411f | 610 | |
akashvibhute | 4:75c5aa56411f | 611 | // Build the full frame to send |
akashvibhute | 4:75c5aa56411f | 612 | memcpy(frame_buffer,&header,sizeof(RF24NetworkHeader)); |
akashvibhute | 4:75c5aa56411f | 613 | |
akashvibhute | 4:75c5aa56411f | 614 | IF_SERIAL_DEBUG(printf_P(PSTR("%lu: NET Sending %s\n\r"),mainTimer.read_ms(),header.toString())); |
akashvibhute | 2:a5f8e04bd02b | 615 | |
akashvibhute | 4:75c5aa56411f | 616 | if (len){ |
akashvibhute | 4:75c5aa56411f | 617 | memcpy(frame_buffer + sizeof(RF24NetworkHeader),message,len); |
akashvibhute | 4:75c5aa56411f | 618 | |
akashvibhute | 4:75c5aa56411f | 619 | IF_SERIAL_DEBUG(uint16_t tmpLen = len;printf_P(PSTR("%lu: NET message "),mainTimer.read_ms());const uint8_t* charPtr = reinterpret_cast<const uint8_t*>(message);while(tmpLen--){ printf("%02x ",charPtr[tmpLen]);} printf_P(PSTR("\n\r") ) ); |
akashvibhute | 4:75c5aa56411f | 620 | } |
akashvibhute | 0:c3db0798d9aa | 621 | |
akashvibhute | 4:75c5aa56411f | 622 | // If the user is trying to send it to himself |
akashvibhute | 4:75c5aa56411f | 623 | /*if ( header.to_node == node_address ){ |
akashvibhute | 4:75c5aa56411f | 624 | #if defined (RF24_LINUX) |
akashvibhute | 4:75c5aa56411f | 625 | RF24NetworkFrame frame = RF24NetworkFrame(header,message,rf24_min(MAX_FRAME_SIZE-sizeof(RF24NetworkHeader),len)); |
akashvibhute | 4:75c5aa56411f | 626 | #else |
akashvibhute | 4:75c5aa56411f | 627 | RF24NetworkFrame frame(header,len); |
akashvibhute | 4:75c5aa56411f | 628 | #endif |
akashvibhute | 4:75c5aa56411f | 629 | // Just queue it in the received queue |
akashvibhute | 4:75c5aa56411f | 630 | return enqueue(frame); |
akashvibhute | 4:75c5aa56411f | 631 | }*/ |
akashvibhute | 4:75c5aa56411f | 632 | // Otherwise send it out over the air |
akashvibhute | 4:75c5aa56411f | 633 | |
akashvibhute | 4:75c5aa56411f | 634 | |
akashvibhute | 4:75c5aa56411f | 635 | if(writeDirect != 070){ |
akashvibhute | 4:75c5aa56411f | 636 | uint8_t sendType = USER_TX_TO_LOGICAL_ADDRESS; // Payload is multicast to the first node, and routed normally to the next |
akashvibhute | 4:75c5aa56411f | 637 | |
akashvibhute | 4:75c5aa56411f | 638 | if(header.to_node == 0100){ |
akashvibhute | 4:75c5aa56411f | 639 | sendType = USER_TX_MULTICAST; |
akashvibhute | 4:75c5aa56411f | 640 | } |
akashvibhute | 4:75c5aa56411f | 641 | if(header.to_node == writeDirect){ |
akashvibhute | 4:75c5aa56411f | 642 | sendType = USER_TX_TO_PHYSICAL_ADDRESS; // Payload is multicast to the first node, which is the recipient |
akashvibhute | 4:75c5aa56411f | 643 | } |
akashvibhute | 4:75c5aa56411f | 644 | return write(writeDirect,sendType); |
akashvibhute | 4:75c5aa56411f | 645 | } |
akashvibhute | 4:75c5aa56411f | 646 | return write(header.to_node,TX_NORMAL); |
akashvibhute | 4:75c5aa56411f | 647 | |
akashvibhute | 0:c3db0798d9aa | 648 | } |
akashvibhute | 0:c3db0798d9aa | 649 | |
akashvibhute | 0:c3db0798d9aa | 650 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 651 | |
akashvibhute | 2:a5f8e04bd02b | 652 | bool RF24Network::write(uint16_t to_node, uint8_t directTo) // Direct To: 0 = First Payload, standard routing, 1=routed payload, 2=directRoute to host, 3=directRoute to Route |
akashvibhute | 0:c3db0798d9aa | 653 | { |
akashvibhute | 4:75c5aa56411f | 654 | bool ok = false; |
akashvibhute | 4:75c5aa56411f | 655 | bool isAckType = false; |
akashvibhute | 4:75c5aa56411f | 656 | if(frame_buffer[6] > 64 && frame_buffer[6] < 192 ){ isAckType=true; } |
akashvibhute | 4:75c5aa56411f | 657 | |
akashvibhute | 4:75c5aa56411f | 658 | /*if( ( (frame_buffer[7] % 2) && frame_buffer[6] == NETWORK_MORE_FRAGMENTS) ){ |
akashvibhute | 4:75c5aa56411f | 659 | isAckType = 0; |
akashvibhute | 4:75c5aa56411f | 660 | }*/ |
akashvibhute | 4:75c5aa56411f | 661 | |
akashvibhute | 4:75c5aa56411f | 662 | // Throw it away if it's not a valid address |
akashvibhute | 4:75c5aa56411f | 663 | if ( !is_valid_address(to_node) ) |
akashvibhute | 4:75c5aa56411f | 664 | return false; |
akashvibhute | 4:75c5aa56411f | 665 | |
akashvibhute | 4:75c5aa56411f | 666 | //Load info into our conversion structure, and get the converted address info |
akashvibhute | 4:75c5aa56411f | 667 | logicalToPhysicalStruct conversion = { to_node,directTo,0}; |
akashvibhute | 4:75c5aa56411f | 668 | logicalToPhysicalAddress(&conversion); |
akashvibhute | 4:75c5aa56411f | 669 | |
akashvibhute | 3:dfc8da7ac18c | 670 | |
akashvibhute | 4:75c5aa56411f | 671 | IF_SERIAL_DEBUG(printf_P(PSTR("%lu: MAC Sending to 0%o via 0%o on pipe %x\n\r"),mainTimer.read_ms(),to_node,conversion.send_node,conversion.send_pipe)); |
akashvibhute | 3:dfc8da7ac18c | 672 | |
akashvibhute | 4:75c5aa56411f | 673 | /**Write it*/ |
akashvibhute | 4:75c5aa56411f | 674 | ok=write_to_pipe(conversion.send_node, conversion.send_pipe, conversion.multicast); |
akashvibhute | 4:75c5aa56411f | 675 | |
akashvibhute | 4:75c5aa56411f | 676 | |
akashvibhute | 4:75c5aa56411f | 677 | if(!ok){ |
akashvibhute | 2:a5f8e04bd02b | 678 | |
akashvibhute | 4:75c5aa56411f | 679 | IF_SERIAL_DEBUG_ROUTING( printf_P(PSTR("%lu: MAC Send fail to 0%o via 0%o on pipe %x\n\r"),mainTimer.read_ms(),to_node,conversion.send_node,conversion.send_pipe);); |
akashvibhute | 4:75c5aa56411f | 680 | } |
akashvibhute | 4:75c5aa56411f | 681 | |
akashvibhute | 4:75c5aa56411f | 682 | |
akashvibhute | 4:75c5aa56411f | 683 | if( directTo == TX_ROUTED && ok && conversion.send_node == to_node && isAckType){ |
akashvibhute | 4:75c5aa56411f | 684 | |
akashvibhute | 4:75c5aa56411f | 685 | RF24NetworkHeader* header = (RF24NetworkHeader*)&frame_buffer; |
akashvibhute | 4:75c5aa56411f | 686 | header->type = NETWORK_ACK; // Set the payload type to NETWORK_ACK |
akashvibhute | 4:75c5aa56411f | 687 | header->to_node = header->from_node; // Change the 'to' address to the 'from' address |
akashvibhute | 2:a5f8e04bd02b | 688 | |
akashvibhute | 4:75c5aa56411f | 689 | conversion.send_node = header->from_node; |
akashvibhute | 4:75c5aa56411f | 690 | conversion.send_pipe = TX_ROUTED; |
akashvibhute | 4:75c5aa56411f | 691 | conversion.multicast = 0; |
akashvibhute | 4:75c5aa56411f | 692 | logicalToPhysicalAddress(&conversion); |
akashvibhute | 4:75c5aa56411f | 693 | |
akashvibhute | 4:75c5aa56411f | 694 | //Write the data using the resulting physical address |
akashvibhute | 4:75c5aa56411f | 695 | frame_size = sizeof(RF24NetworkHeader); |
akashvibhute | 4:75c5aa56411f | 696 | write_to_pipe(conversion.send_node, conversion.send_pipe, conversion.multicast); |
akashvibhute | 4:75c5aa56411f | 697 | |
akashvibhute | 4:75c5aa56411f | 698 | //dynLen=0; |
akashvibhute | 3:dfc8da7ac18c | 699 | |
akashvibhute | 4:75c5aa56411f | 700 | IF_SERIAL_DEBUG_ROUTING( printf_P(PSTR("%lu MAC: Route OK to 0%o ACK sent to 0%o\n"),mainTimer.read_ms(),to_node,header->from_node); ); |
akashvibhute | 4:75c5aa56411f | 701 | |
akashvibhute | 4:75c5aa56411f | 702 | } |
akashvibhute | 4:75c5aa56411f | 703 | |
akashvibhute | 2:a5f8e04bd02b | 704 | |
akashvibhute | 3:dfc8da7ac18c | 705 | |
akashvibhute | 4:75c5aa56411f | 706 | if( ok && conversion.send_node != to_node && (directTo==0 || directTo==3) && isAckType){ |
akashvibhute | 4:75c5aa56411f | 707 | #if !defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 708 | // Now, continue listening |
akashvibhute | 4:75c5aa56411f | 709 | if(networkFlags & FLAG_FAST_FRAG){ |
akashvibhute | 4:75c5aa56411f | 710 | radio.txStandBy(txTimeout); |
akashvibhute | 4:75c5aa56411f | 711 | networkFlags &= ~FLAG_FAST_FRAG; |
akashvibhute | 4:75c5aa56411f | 712 | radio.setAutoAck(0,0); |
akashvibhute | 4:75c5aa56411f | 713 | } |
akashvibhute | 4:75c5aa56411f | 714 | radio.startListening(); |
akashvibhute | 4:75c5aa56411f | 715 | #endif |
akashvibhute | 4:75c5aa56411f | 716 | uint32_t reply_time = mainTimer.read_ms(); |
akashvibhute | 0:c3db0798d9aa | 717 | |
akashvibhute | 4:75c5aa56411f | 718 | while( update() != NETWORK_ACK){ |
akashvibhute | 2:a5f8e04bd02b | 719 | |
akashvibhute | 4:75c5aa56411f | 720 | if(mainTimer.read_ms() - reply_time > routeTimeout){ |
akashvibhute | 4:75c5aa56411f | 721 | |
akashvibhute | 4:75c5aa56411f | 722 | IF_SERIAL_DEBUG_ROUTING( printf_P(PSTR("%lu: MAC Network ACK fail from 0%o via 0%o on pipe %x\n\r"),mainTimer.read_ms(),to_node,conversion.send_node,conversion.send_pipe); ); |
akashvibhute | 0:c3db0798d9aa | 723 | |
akashvibhute | 4:75c5aa56411f | 724 | ok=false; |
akashvibhute | 4:75c5aa56411f | 725 | break; |
akashvibhute | 4:75c5aa56411f | 726 | } |
akashvibhute | 4:75c5aa56411f | 727 | } |
akashvibhute | 2:a5f8e04bd02b | 728 | } |
akashvibhute | 4:75c5aa56411f | 729 | if( !(networkFlags & FLAG_FAST_FRAG) ){ |
akashvibhute | 4:75c5aa56411f | 730 | #if !defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 731 | // Now, continue listening |
akashvibhute | 4:75c5aa56411f | 732 | radio.startListening(); |
akashvibhute | 4:75c5aa56411f | 733 | #endif |
akashvibhute | 4:75c5aa56411f | 734 | } |
akashvibhute | 2:a5f8e04bd02b | 735 | |
akashvibhute | 2:a5f8e04bd02b | 736 | #if defined ENABLE_NETWORK_STATS |
akashvibhute | 4:75c5aa56411f | 737 | if(ok == true){ |
akashvibhute | 4:75c5aa56411f | 738 | ++nOK; |
akashvibhute | 4:75c5aa56411f | 739 | }else{ ++nFails; |
akashvibhute | 4:75c5aa56411f | 740 | } |
akashvibhute | 0:c3db0798d9aa | 741 | #endif |
akashvibhute | 4:75c5aa56411f | 742 | return ok; |
akashvibhute | 0:c3db0798d9aa | 743 | } |
akashvibhute | 0:c3db0798d9aa | 744 | |
akashvibhute | 0:c3db0798d9aa | 745 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 746 | |
akashvibhute | 4:75c5aa56411f | 747 | // Provided the to_node and directTo option, it will return the resulting node and pipe |
akashvibhute | 4:75c5aa56411f | 748 | bool RF24Network::logicalToPhysicalAddress(logicalToPhysicalStruct *conversionInfo){ |
akashvibhute | 3:dfc8da7ac18c | 749 | |
akashvibhute | 4:75c5aa56411f | 750 | //Create pointers so this makes sense.. kind of |
akashvibhute | 4:75c5aa56411f | 751 | //We take in the to_node(logical) now, at the end of the function, output the send_node(physical) address, etc. |
akashvibhute | 4:75c5aa56411f | 752 | //back to the original memory address that held the logical information. |
akashvibhute | 4:75c5aa56411f | 753 | uint16_t *to_node = &conversionInfo->send_node; |
akashvibhute | 4:75c5aa56411f | 754 | uint8_t *directTo = &conversionInfo->send_pipe; |
akashvibhute | 4:75c5aa56411f | 755 | bool *multicast = &conversionInfo->multicast; |
akashvibhute | 4:75c5aa56411f | 756 | |
akashvibhute | 4:75c5aa56411f | 757 | // Where do we send this? By default, to our parent |
akashvibhute | 4:75c5aa56411f | 758 | uint16_t pre_conversion_send_node = parent_node; |
akashvibhute | 3:dfc8da7ac18c | 759 | |
akashvibhute | 4:75c5aa56411f | 760 | // On which pipe |
akashvibhute | 4:75c5aa56411f | 761 | uint8_t pre_conversion_send_pipe = parent_pipe; |
akashvibhute | 4:75c5aa56411f | 762 | |
akashvibhute | 4:75c5aa56411f | 763 | if(*directTo > TX_ROUTED ){ |
akashvibhute | 4:75c5aa56411f | 764 | pre_conversion_send_node = *to_node; |
akashvibhute | 4:75c5aa56411f | 765 | *multicast = 1; |
akashvibhute | 4:75c5aa56411f | 766 | //if(*directTo == USER_TX_MULTICAST || *directTo == USER_TX_TO_PHYSICAL_ADDRESS){ |
akashvibhute | 4:75c5aa56411f | 767 | pre_conversion_send_pipe=0; |
akashvibhute | 4:75c5aa56411f | 768 | //} |
akashvibhute | 4:75c5aa56411f | 769 | } |
akashvibhute | 4:75c5aa56411f | 770 | // If the node is a direct child, |
akashvibhute | 4:75c5aa56411f | 771 | else |
akashvibhute | 4:75c5aa56411f | 772 | if ( is_direct_child(*to_node) ) |
akashvibhute | 4:75c5aa56411f | 773 | { |
akashvibhute | 4:75c5aa56411f | 774 | // Send directly |
akashvibhute | 4:75c5aa56411f | 775 | pre_conversion_send_node = *to_node; |
akashvibhute | 4:75c5aa56411f | 776 | // To its listening pipe |
akashvibhute | 4:75c5aa56411f | 777 | pre_conversion_send_pipe = 5; |
akashvibhute | 4:75c5aa56411f | 778 | } |
akashvibhute | 4:75c5aa56411f | 779 | // If the node is a child of a child |
akashvibhute | 4:75c5aa56411f | 780 | // talk on our child's listening pipe, |
akashvibhute | 4:75c5aa56411f | 781 | // and let the direct child relay it. |
akashvibhute | 4:75c5aa56411f | 782 | else if ( is_descendant(*to_node) ) |
akashvibhute | 4:75c5aa56411f | 783 | { |
akashvibhute | 4:75c5aa56411f | 784 | pre_conversion_send_node = direct_child_route_to(*to_node); |
akashvibhute | 4:75c5aa56411f | 785 | pre_conversion_send_pipe = 5; |
akashvibhute | 4:75c5aa56411f | 786 | } |
akashvibhute | 4:75c5aa56411f | 787 | |
akashvibhute | 4:75c5aa56411f | 788 | *to_node = pre_conversion_send_node; |
akashvibhute | 4:75c5aa56411f | 789 | *directTo = pre_conversion_send_pipe; |
akashvibhute | 4:75c5aa56411f | 790 | |
akashvibhute | 4:75c5aa56411f | 791 | return 1; |
akashvibhute | 4:75c5aa56411f | 792 | |
akashvibhute | 2:a5f8e04bd02b | 793 | } |
akashvibhute | 2:a5f8e04bd02b | 794 | |
akashvibhute | 2:a5f8e04bd02b | 795 | /********************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 796 | |
akashvibhute | 4:75c5aa56411f | 797 | |
akashvibhute | 2:a5f8e04bd02b | 798 | bool RF24Network::write_to_pipe( uint16_t node, uint8_t pipe, bool multicast ) |
akashvibhute | 0:c3db0798d9aa | 799 | { |
akashvibhute | 4:75c5aa56411f | 800 | bool ok = false; |
akashvibhute | 4:75c5aa56411f | 801 | uint64_t out_pipe = pipe_address( node, pipe ); |
akashvibhute | 4:75c5aa56411f | 802 | |
akashvibhute | 4:75c5aa56411f | 803 | #if !defined (DUAL_HEAD_RADIO) |
akashvibhute | 4:75c5aa56411f | 804 | // Open the correct pipe for writing. |
akashvibhute | 4:75c5aa56411f | 805 | // First, stop listening so we can talk |
akashvibhute | 0:c3db0798d9aa | 806 | |
akashvibhute | 4:75c5aa56411f | 807 | if(!(networkFlags & FLAG_FAST_FRAG)){ |
akashvibhute | 4:75c5aa56411f | 808 | radio.stopListening(); |
akashvibhute | 4:75c5aa56411f | 809 | } |
akashvibhute | 4:75c5aa56411f | 810 | |
akashvibhute | 4:75c5aa56411f | 811 | if(multicast){ radio.setAutoAck(0,0);}else{radio.setAutoAck(0,1);} |
akashvibhute | 4:75c5aa56411f | 812 | |
akashvibhute | 4:75c5aa56411f | 813 | radio.openWritingPipe(out_pipe); |
akashvibhute | 3:dfc8da7ac18c | 814 | |
akashvibhute | 4:75c5aa56411f | 815 | ok = radio.writeFast(frame_buffer, frame_size,multicast); |
akashvibhute | 4:75c5aa56411f | 816 | |
akashvibhute | 4:75c5aa56411f | 817 | if(!(networkFlags & FLAG_FAST_FRAG)){ |
akashvibhute | 3:dfc8da7ac18c | 818 | ok = radio.txStandBy(txTimeout); |
akashvibhute | 3:dfc8da7ac18c | 819 | radio.setAutoAck(0,0); |
akashvibhute | 4:75c5aa56411f | 820 | } |
akashvibhute | 4:75c5aa56411f | 821 | |
akashvibhute | 2:a5f8e04bd02b | 822 | #else |
akashvibhute | 4:75c5aa56411f | 823 | radio1.openWritingPipe(out_pipe); |
akashvibhute | 4:75c5aa56411f | 824 | radio1.writeFast(frame_buffer, frame_size); |
akashvibhute | 4:75c5aa56411f | 825 | ok = radio1.txStandBy(txTimeout,multicast); |
akashvibhute | 0:c3db0798d9aa | 826 | |
akashvibhute | 2:a5f8e04bd02b | 827 | #endif |
akashvibhute | 2:a5f8e04bd02b | 828 | |
akashvibhute | 4:75c5aa56411f | 829 | /* #if defined (__arm__) || defined (RF24_LINUX) |
akashvibhute | 4:75c5aa56411f | 830 | IF_SERIAL_DEBUG(printf_P(PSTR("%u: MAC Sent on %x %s\n\r"),millis(),(uint32_t)out_pipe,ok?PSTR("ok"):PSTR("failed"))); |
akashvibhute | 4:75c5aa56411f | 831 | #else |
akashvibhute | 4:75c5aa56411f | 832 | IF_SERIAL_DEBUG(printf_P(PSTR("%lu: MAC Sent on %lx %S\n\r"),millis(),(uint32_t)out_pipe,ok?PSTR("ok"):PSTR("failed"))); |
akashvibhute | 4:75c5aa56411f | 833 | #endif |
akashvibhute | 4:75c5aa56411f | 834 | */ |
akashvibhute | 4:75c5aa56411f | 835 | return ok; |
akashvibhute | 0:c3db0798d9aa | 836 | } |
akashvibhute | 0:c3db0798d9aa | 837 | |
akashvibhute | 0:c3db0798d9aa | 838 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 839 | |
akashvibhute | 0:c3db0798d9aa | 840 | const char* RF24NetworkHeader::toString(void) const |
akashvibhute | 0:c3db0798d9aa | 841 | { |
akashvibhute | 4:75c5aa56411f | 842 | static char buffer[45]; |
akashvibhute | 4:75c5aa56411f | 843 | //snprintf_P(buffer,sizeof(buffer),PSTR("id %04x from 0%o to 0%o type %c"),id,from_node,to_node,type); |
akashvibhute | 4:75c5aa56411f | 844 | //sprintf_P(buffer,PSTR("id %u from 0%o to 0%o type %d"),id,from_node,to_node,type); |
akashvibhute | 4:75c5aa56411f | 845 | return buffer; |
akashvibhute | 0:c3db0798d9aa | 846 | } |
akashvibhute | 0:c3db0798d9aa | 847 | |
akashvibhute | 0:c3db0798d9aa | 848 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 849 | |
akashvibhute | 0:c3db0798d9aa | 850 | bool RF24Network::is_direct_child( uint16_t node ) |
akashvibhute | 0:c3db0798d9aa | 851 | { |
akashvibhute | 4:75c5aa56411f | 852 | bool result = false; |
akashvibhute | 0:c3db0798d9aa | 853 | |
akashvibhute | 4:75c5aa56411f | 854 | // A direct child of ours has the same low numbers as us, and only |
akashvibhute | 4:75c5aa56411f | 855 | // one higher number. |
akashvibhute | 4:75c5aa56411f | 856 | // |
akashvibhute | 4:75c5aa56411f | 857 | // e.g. node 0234 is a direct child of 034, and node 01234 is a |
akashvibhute | 4:75c5aa56411f | 858 | // descendant but not a direct child |
akashvibhute | 0:c3db0798d9aa | 859 | |
akashvibhute | 4:75c5aa56411f | 860 | // First, is it even a descendant? |
akashvibhute | 4:75c5aa56411f | 861 | if ( is_descendant(node) ) |
akashvibhute | 4:75c5aa56411f | 862 | { |
akashvibhute | 4:75c5aa56411f | 863 | // Does it only have ONE more level than us? |
akashvibhute | 4:75c5aa56411f | 864 | uint16_t child_node_mask = ( ~ node_mask ) << 3; |
akashvibhute | 4:75c5aa56411f | 865 | result = ( node & child_node_mask ) == 0 ; |
akashvibhute | 4:75c5aa56411f | 866 | } |
akashvibhute | 4:75c5aa56411f | 867 | return result; |
akashvibhute | 0:c3db0798d9aa | 868 | } |
akashvibhute | 0:c3db0798d9aa | 869 | |
akashvibhute | 0:c3db0798d9aa | 870 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 871 | |
akashvibhute | 0:c3db0798d9aa | 872 | bool RF24Network::is_descendant( uint16_t node ) |
akashvibhute | 0:c3db0798d9aa | 873 | { |
akashvibhute | 4:75c5aa56411f | 874 | return ( node & node_mask ) == node_address; |
akashvibhute | 0:c3db0798d9aa | 875 | } |
akashvibhute | 0:c3db0798d9aa | 876 | |
akashvibhute | 0:c3db0798d9aa | 877 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 878 | |
akashvibhute | 0:c3db0798d9aa | 879 | void RF24Network::setup_address(void) |
akashvibhute | 0:c3db0798d9aa | 880 | { |
akashvibhute | 4:75c5aa56411f | 881 | // First, establish the node_mask |
akashvibhute | 4:75c5aa56411f | 882 | uint16_t node_mask_check = 0xFFFF; |
akashvibhute | 4:75c5aa56411f | 883 | #if defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 884 | uint8_t count = 0; |
akashvibhute | 4:75c5aa56411f | 885 | #endif |
akashvibhute | 4:75c5aa56411f | 886 | |
akashvibhute | 4:75c5aa56411f | 887 | while ( node_address & node_mask_check ){ |
akashvibhute | 4:75c5aa56411f | 888 | node_mask_check <<= 3; |
akashvibhute | 4:75c5aa56411f | 889 | #if defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 890 | count++; |
akashvibhute | 4:75c5aa56411f | 891 | } |
akashvibhute | 4:75c5aa56411f | 892 | multicast_level = count; |
akashvibhute | 4:75c5aa56411f | 893 | #else |
akashvibhute | 4:75c5aa56411f | 894 | } |
akashvibhute | 4:75c5aa56411f | 895 | #endif |
akashvibhute | 4:75c5aa56411f | 896 | |
akashvibhute | 4:75c5aa56411f | 897 | node_mask = ~ node_mask_check; |
akashvibhute | 0:c3db0798d9aa | 898 | |
akashvibhute | 4:75c5aa56411f | 899 | // parent mask is the next level down |
akashvibhute | 4:75c5aa56411f | 900 | uint16_t parent_mask = node_mask >> 3; |
akashvibhute | 0:c3db0798d9aa | 901 | |
akashvibhute | 4:75c5aa56411f | 902 | // parent node is the part IN the mask |
akashvibhute | 4:75c5aa56411f | 903 | parent_node = node_address & parent_mask; |
akashvibhute | 0:c3db0798d9aa | 904 | |
akashvibhute | 4:75c5aa56411f | 905 | // parent pipe is the part OUT of the mask |
akashvibhute | 4:75c5aa56411f | 906 | uint16_t i = node_address; |
akashvibhute | 4:75c5aa56411f | 907 | uint16_t m = parent_mask; |
akashvibhute | 4:75c5aa56411f | 908 | while (m) |
akashvibhute | 4:75c5aa56411f | 909 | { |
akashvibhute | 4:75c5aa56411f | 910 | i >>= 3; |
akashvibhute | 4:75c5aa56411f | 911 | m >>= 3; |
akashvibhute | 4:75c5aa56411f | 912 | } |
akashvibhute | 4:75c5aa56411f | 913 | parent_pipe = i; |
akashvibhute | 0:c3db0798d9aa | 914 | |
akashvibhute | 4:75c5aa56411f | 915 | IF_SERIAL_DEBUG_MINIMAL( printf_P(PSTR("setup_address node=0%o mask=0%o parent=0%o pipe=0%o\n\r"),node_address,node_mask,parent_node,parent_pipe);); |
akashvibhute | 2:a5f8e04bd02b | 916 | |
akashvibhute | 2:a5f8e04bd02b | 917 | } |
akashvibhute | 2:a5f8e04bd02b | 918 | |
akashvibhute | 2:a5f8e04bd02b | 919 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 920 | uint16_t RF24Network::addressOfPipe( uint16_t node, uint8_t pipeNo ) |
akashvibhute | 2:a5f8e04bd02b | 921 | { |
akashvibhute | 4:75c5aa56411f | 922 | //Say this node is 013 (1011), mask is 077 or (00111111) |
akashvibhute | 4:75c5aa56411f | 923 | //Say we want to use pipe 3 (11) |
akashvibhute | 4:75c5aa56411f | 924 | //6 bits in node mask, so shift pipeNo 6 times left and | into address |
akashvibhute | 4:75c5aa56411f | 925 | uint16_t m = node_mask >> 3; |
akashvibhute | 4:75c5aa56411f | 926 | uint8_t i=0; |
akashvibhute | 4:75c5aa56411f | 927 | |
akashvibhute | 4:75c5aa56411f | 928 | while (m){ //While there are bits left in the node mask |
akashvibhute | 4:75c5aa56411f | 929 | m>>=1; //Shift to the right |
akashvibhute | 4:75c5aa56411f | 930 | i++; //Count the # of increments |
akashvibhute | 4:75c5aa56411f | 931 | } |
akashvibhute | 4:75c5aa56411f | 932 | return node | (pipeNo << i); |
akashvibhute | 0:c3db0798d9aa | 933 | } |
akashvibhute | 0:c3db0798d9aa | 934 | |
akashvibhute | 0:c3db0798d9aa | 935 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 936 | |
akashvibhute | 0:c3db0798d9aa | 937 | uint16_t RF24Network::direct_child_route_to( uint16_t node ) |
akashvibhute | 0:c3db0798d9aa | 938 | { |
akashvibhute | 4:75c5aa56411f | 939 | // Presumes that this is in fact a child!! |
akashvibhute | 4:75c5aa56411f | 940 | uint16_t child_mask = ( node_mask << 3 ) | 0B111; |
akashvibhute | 4:75c5aa56411f | 941 | return node & child_mask; |
akashvibhute | 4:75c5aa56411f | 942 | |
akashvibhute | 0:c3db0798d9aa | 943 | } |
akashvibhute | 0:c3db0798d9aa | 944 | |
akashvibhute | 0:c3db0798d9aa | 945 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 946 | /* |
akashvibhute | 0:c3db0798d9aa | 947 | uint8_t RF24Network::pipe_to_descendant( uint16_t node ) |
akashvibhute | 0:c3db0798d9aa | 948 | { |
akashvibhute | 4:75c5aa56411f | 949 | uint16_t i = node; |
akashvibhute | 0:c3db0798d9aa | 950 | uint16_t m = node_mask; |
akashvibhute | 2:a5f8e04bd02b | 951 | |
akashvibhute | 0:c3db0798d9aa | 952 | while (m) |
akashvibhute | 0:c3db0798d9aa | 953 | { |
akashvibhute | 0:c3db0798d9aa | 954 | i >>= 3; |
akashvibhute | 0:c3db0798d9aa | 955 | m >>= 3; |
akashvibhute | 0:c3db0798d9aa | 956 | } |
akashvibhute | 0:c3db0798d9aa | 957 | |
akashvibhute | 2:a5f8e04bd02b | 958 | return i & 0B111; |
akashvibhute | 2:a5f8e04bd02b | 959 | }*/ |
akashvibhute | 0:c3db0798d9aa | 960 | |
akashvibhute | 0:c3db0798d9aa | 961 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 962 | |
akashvibhute | 2:a5f8e04bd02b | 963 | bool RF24Network::is_valid_address( uint16_t node ) |
akashvibhute | 0:c3db0798d9aa | 964 | { |
akashvibhute | 4:75c5aa56411f | 965 | bool result = true; |
akashvibhute | 0:c3db0798d9aa | 966 | |
akashvibhute | 4:75c5aa56411f | 967 | while(node) |
akashvibhute | 4:75c5aa56411f | 968 | { |
akashvibhute | 4:75c5aa56411f | 969 | uint8_t digit = node & 0B111; |
akashvibhute | 4:75c5aa56411f | 970 | #if !defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 971 | if (digit < 1 || digit > 5) |
akashvibhute | 4:75c5aa56411f | 972 | #else |
akashvibhute | 4:75c5aa56411f | 973 | if (digit < 0 || digit > 5) //Allow our out of range multicast address |
akashvibhute | 4:75c5aa56411f | 974 | #endif |
akashvibhute | 4:75c5aa56411f | 975 | { |
akashvibhute | 4:75c5aa56411f | 976 | result = false; |
akashvibhute | 4:75c5aa56411f | 977 | IF_SERIAL_DEBUG_MINIMAL(printf_P(PSTR("*** WARNING *** Invalid address 0%o\n\r"),node);); |
akashvibhute | 4:75c5aa56411f | 978 | break; |
akashvibhute | 0:c3db0798d9aa | 979 | } |
akashvibhute | 4:75c5aa56411f | 980 | node >>= 3; |
akashvibhute | 4:75c5aa56411f | 981 | } |
akashvibhute | 0:c3db0798d9aa | 982 | |
akashvibhute | 4:75c5aa56411f | 983 | return result; |
akashvibhute | 0:c3db0798d9aa | 984 | } |
akashvibhute | 0:c3db0798d9aa | 985 | |
akashvibhute | 0:c3db0798d9aa | 986 | /******************************************************************/ |
akashvibhute | 2:a5f8e04bd02b | 987 | #if defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 988 | void RF24Network::multicastLevel(uint8_t level){ |
akashvibhute | 4:75c5aa56411f | 989 | multicast_level = level; |
akashvibhute | 4:75c5aa56411f | 990 | //radio.stopListening(); |
akashvibhute | 4:75c5aa56411f | 991 | radio.openReadingPipe(0,pipe_address(levelToAddress(level),0)); |
akashvibhute | 4:75c5aa56411f | 992 | //radio.startListening(); |
akashvibhute | 4:75c5aa56411f | 993 | } |
akashvibhute | 4:75c5aa56411f | 994 | |
akashvibhute | 4:75c5aa56411f | 995 | uint16_t levelToAddress(uint8_t level){ |
akashvibhute | 4:75c5aa56411f | 996 | |
akashvibhute | 4:75c5aa56411f | 997 | uint16_t levelAddr = 1; |
akashvibhute | 4:75c5aa56411f | 998 | if(level){ |
akashvibhute | 4:75c5aa56411f | 999 | levelAddr = levelAddr << ((level-1) * 3); |
akashvibhute | 4:75c5aa56411f | 1000 | }else{ |
akashvibhute | 4:75c5aa56411f | 1001 | return 0; |
akashvibhute | 4:75c5aa56411f | 1002 | } |
akashvibhute | 4:75c5aa56411f | 1003 | return levelAddr; |
akashvibhute | 4:75c5aa56411f | 1004 | } |
akashvibhute | 2:a5f8e04bd02b | 1005 | #endif |
akashvibhute | 2:a5f8e04bd02b | 1006 | /******************************************************************/ |
akashvibhute | 0:c3db0798d9aa | 1007 | |
akashvibhute | 0:c3db0798d9aa | 1008 | uint64_t pipe_address( uint16_t node, uint8_t pipe ) |
akashvibhute | 0:c3db0798d9aa | 1009 | { |
akashvibhute | 4:75c5aa56411f | 1010 | |
akashvibhute | 4:75c5aa56411f | 1011 | static uint8_t address_translation[] = { 0xc3,0x3c,0x33,0xce,0x3e,0xe3,0xec }; |
akashvibhute | 4:75c5aa56411f | 1012 | uint64_t result = 0xCCCCCCCCCCLL; |
akashvibhute | 4:75c5aa56411f | 1013 | uint8_t* out = reinterpret_cast<uint8_t*>(&result); |
akashvibhute | 4:75c5aa56411f | 1014 | |
akashvibhute | 4:75c5aa56411f | 1015 | // Translate the address to use our optimally chosen radio address bytes |
akashvibhute | 4:75c5aa56411f | 1016 | uint8_t count = 1; uint16_t dec = node; |
akashvibhute | 3:dfc8da7ac18c | 1017 | |
akashvibhute | 4:75c5aa56411f | 1018 | while(dec){ |
akashvibhute | 4:75c5aa56411f | 1019 | #if defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 1020 | if(pipe != 0 || !node) |
akashvibhute | 4:75c5aa56411f | 1021 | #endif |
akashvibhute | 4:75c5aa56411f | 1022 | out[count]=address_translation[(dec % 8)]; // Convert our decimal values to octal, translate them to address bytes, and set our address |
akashvibhute | 4:75c5aa56411f | 1023 | |
akashvibhute | 4:75c5aa56411f | 1024 | dec /= 8; |
akashvibhute | 4:75c5aa56411f | 1025 | count++; |
akashvibhute | 4:75c5aa56411f | 1026 | } |
akashvibhute | 4:75c5aa56411f | 1027 | |
akashvibhute | 4:75c5aa56411f | 1028 | #if defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 1029 | if(pipe != 0 || !node) |
akashvibhute | 4:75c5aa56411f | 1030 | #endif |
akashvibhute | 4:75c5aa56411f | 1031 | out[0] = address_translation[pipe]; |
akashvibhute | 4:75c5aa56411f | 1032 | #if defined (RF24NetworkMulticast) |
akashvibhute | 4:75c5aa56411f | 1033 | else |
akashvibhute | 4:75c5aa56411f | 1034 | out[1] = address_translation[count-1]; |
akashvibhute | 4:75c5aa56411f | 1035 | #endif |
akashvibhute | 0:c3db0798d9aa | 1036 | |
akashvibhute | 4:75c5aa56411f | 1037 | |
akashvibhute | 4:75c5aa56411f | 1038 | |
akashvibhute | 0:c3db0798d9aa | 1039 | |
akashvibhute | 4:75c5aa56411f | 1040 | IF_SERIAL_DEBUG(uint32_t* top = reinterpret_cast<uint32_t*>(out+1);printf_P(PSTR("%lu: NET Pipe %i on node 0%o has address %lx%x\n\r"),mainTimer.read_ms(),pipe,node,*top,*out)); |
akashvibhute | 0:c3db0798d9aa | 1041 | |
akashvibhute | 4:75c5aa56411f | 1042 | |
akashvibhute | 4:75c5aa56411f | 1043 | return result; |
akashvibhute | 0:c3db0798d9aa | 1044 | } |
akashvibhute | 0:c3db0798d9aa | 1045 | |
akashvibhute | 2:a5f8e04bd02b | 1046 | |
akashvibhute | 2:a5f8e04bd02b | 1047 | /************************ Sleep Mode ******************************************/ |
akashvibhute | 2:a5f8e04bd02b | 1048 | |
akashvibhute | 2:a5f8e04bd02b | 1049 | |
akashvibhute | 4:75c5aa56411f | 1050 | /**/ |
akashvibhute | 2:a5f8e04bd02b | 1051 | |
akashvibhute | 2:a5f8e04bd02b | 1052 |